Alderbrook Quarry Inc is an active intrastate non-hazmat carrier based in Chehalis, WA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 6 | 0 | 0 |
| Tractors | 2 | 0 | 0 |
| Trailers | 6 | 0 | 0 |
| Total Power Units | 8 | ||
Distinct vehicles · 24 mo
vs 8 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 0% | 0% | Better than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 94% | 96% | Worse than most peers |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 0 | — | 6.67% |
| Vehicle | 0 | 1 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
Inspected in 2 states. Top state WA accounts for 67% of activity. Activity outside home state (WA): 33%.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jul 1, 2025 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 10 | 2 | 3 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 6, 2026 | WA | TRUCK TRACTOR | 4 | 0 |
| Aug 14, 2025 | WA | STRAIGHT TRUCK | 2 | 1 |
| Jul 11, 2024 | OR | TRUCK TRACTOR | 4 | 2 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 3 | 15.16 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| Date |
|---|
| Code |
|---|
| Description |
|---|
| BASIC |
|---|
| OOS |
|---|
| Mar 6, 2026 | 393104F3C | Cargo - Loose or unfastened tiedown | Vehicle Maintenance | — |
| Mar 6, 2026 | 39345B2BAIR | Air Brake - Hose/tubing damaged or not secured | Vehicle Maintenance | — |
| Mar 6, 2026 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| Mar 6, 2026 | 39347ABCLMBD | Drum Brake - Cracked/loose/missing lining/pad | Vehicle Maintenance | — |
| Aug 14, 2025 | 39375A3TFL | Tires - Front leaking or inflation 50% or less than of the maximum inflation pressure | Vehicle Maintenance | Yes |
| Aug 14, 2025 | 3965BL | Lubrication - Oil or grease leak | Vehicle Maintenance | — |
| Jul 11, 2024 | 393104F3C | Cargo - Loose or unfastened tiedown | Vehicle Maintenance | — |
| Jul 11, 2024 | 393106DC | Cargo - Insufficient aggregate working load limit for cargo transported | Vehicle Maintenance | Yes |
| Jul 11, 2024 | 3939ALTSI | Lighting - Turn signal - Any inoperative on the rearmost vehicle. | Vehicle Maintenance | Yes |
| Jul 11, 2024 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |